removed the default firmware type for ArduPilot

also moved back to flashing stable firmware for 3dr radio

Also enable identification of clone 3dr radios

Too complicated supporting both modes as editor becomes more complex

When on Joystick config page:
- Not calibrating: If joystick is enabled, joystick messages should
continue to go to vehicle

- MultiVehicleManager is a Qml friendly replacement for UASManager
- Vehicle is a replacement for both UAS and AutoPilotPlugin

Usability plus, new features:
- 3DR Radio support
- APM Stack support

to the clearer, standard versions of the AWS links.